We are trying to connect through SOCKS5 proxy, because we are using Cloud Connector on the backend. I hope you can advise me. In blog showing SSF key assignment. As I am running into a SFTP session being timed out. Afterwards, the communication will be encrypted. In Sender Channel, provide input for SFTP servers IP/Port/Fingerprint/Authentication details as shown in below screen: Directory references starts from root directory of SFTP server, And we are reading all files of that direcrtoy using Filename input. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want . Here, I have how to establish secure SFTP connection using Public Key Authentication for CPI Interfaces which send files to SF SFTP or any third party SFTP. Here, rather than the SFTP server ask for Password, it asks for Enter Password i.e. OpenSSL requries .p12 format key, so we exported same from NWA and created private key with PItoSFTP_Key.key format which was required by SSH-KeyGen of SAP-PI/PO to generate .pub key (Public SSH Key). PItoSFTP_Key.p12 )[2] In any Windows system, create Private SSH key from exported SAP-PIs .p12 file[2.1] Using tool OpenSSL, create .pem key from .p12 file[2.2] Create SSH Private Key (e.g. If you (either basis team) can manage creation of SSH keys in SAP-PI/PO (AEX) system itself, then there is no need for upload from external source into directory path /home//. Implicit FTPS: The client will connect to the server with an TLS connection. Privacy | For secureSSH communicationa known hosts file has to be deployed in the cloud integration tenant containing thepublic host key of the sftp server so that the sftp server will be trusted. If SAPPO is playing the role to pull/push files from/to SFTP, then we do not need to import external-SFTP's SSH.RSA.pub key into SAPPO. Using SSH Key Generator in PI-server, we can generate SSH public key from private key file, with below commands: ssh-keygen -y -f PItoSFTP_Key.key > PItoSFTP_Key.pub, Here only SAP-PIs SSH Public is been shared and imported into SFTP server. https://blogs.sap.com/2019/10/01/creating-trail-account-for-cloud-platform-integration-on-cloud-foundry-environment-creating-user-credentials-and-connection-test/, https://blogs.sap.com/2020/07/08/cloud-integration-connecting-to-ftps-servers-using-the-ftp-adapter/. Back up websites. Can this be acheived using FTP conenctor in CPI ? Good blog. Run task to test connectivity and make sure records from file located in SFTP have been replicate to HANA DB Table. It should contain exactly the same characters found in your SFTP public key file. At your side, just re-try to export the key and run the cmd. Hi guys, in this articles I share step by step how to config connection from SAP CPI to SFTP server with private/public key. The syntax is: ssh-copy-id -i id_rsa.pub user@remoteserver. SSH keys also allow system admins to avoid manually logging in with a password, to automate systems and configuration management. At step "[Step-3] In SAP-PI: Upload Private SSH key' file", may I know why do. Create a new Resource Group. I believe the HANA Db used in the example can be applied to the IBP system as well, Alerting is not available for unauthorized users, Right click and copy the link to share this comment. I hope this blog post helps you to understand the basic concepts of SFTP and FTP and Configuration the user credentials and testing the SFTP and FTP. To do that, change the user permissions of the directory by running: Next, we need to populate our .ssh directory with the public/private key pair we'll be using for our sftp key authentication. Now using tool OpenSSL (in any windows local desktop) perform below activities: ExtractOpenSSL in to a directory for e.g. This directory should be created inside your user account's home directory. First you try to identify whether this error is related connectivity issue or due to CCV settings, make use of SFTP sender to just pick up files, once its ok, then go for CCV settings. Port or Port Range : 1 - 65535. In SAPPO's SFTP Comm.Channel, we need to select Authentication Method as "Private Key" and user-id of SFTP along with SAPPO's PrivateKey_View. For that vendor has given me a .p12 key pair file which i intent to upload in the keystore, I had few question on this hoping you could clarify them. Copy the private key to client system's home directory. Configure SAP CPI with SFTP using Public key based authentication: Step 1: Host Key retrieval from SAP CPI - Connectivity For SSH based communication, CPI tenant needs the host key of the sftp server, which has to be added to the known hosts file and deployed on the cpi tenant. To establish SSH connection betweenSAP Cloud Integration (former CPI) and SFTP server, you need to add the below parameters to thefile and deploy it on the tenant: However you do not know how to get the Host Key of SFTP server to prepare the file. Enter command ssh-keygen. As a result 2 files should be created under C:\ProgramData\SAP\DataServicesAgent\conf\keys\sftp. Thanks for this very informative blog. Open user which will be used for connectivity with CPI DS. with online link. To decrypt the file and complete the import, use the same password that you used earlier, and then choose Import. Jul 28, 2020 SAP Cloud Platform Identity Authentication service is a multi-tenant system where tenants share the hardware and software and use dedicated database instances for persistence. For the authentication step based on public key: User name contained in the deployed artifact with name given by theCredential Nameparameter and the key identified by thePrivate Key Aliasparameter are evaluated by the system to authenticate the tenant against the SFTP server. SFTP provides an alternative method for ssh client authentication. Legal Disclosure | At runtime, the system evaluates the values of additional parameters in the following way: For the authentication step based on user credentials: Credentials from the deployed artifact with the name given by theCredential Nameparameter are evaluated by the system to authenticate the tenant against the SFTP server. To place files in a SFTP-Folder, the Receiver SFTP-Adapter channel gets activated when Sender side pushes data on it. SFTP is short for SSH File Transfer Protocol, whereas FTPS refers to the SSL/TLS protocol under FTP. This tutorial covers the basic steps of setting up an AS2 server with the JSCAPE MFT Server. Hana Database is running and connected from CPI DS. JSCAPE MFT Server is platform-agnostic and can be installed on Microsoft Windows, Linux, Mac OS X and Solaris, and can handle any file transfer protocol as well as multiple protocols from a single server. Learn how to set up an AS2 server online at JSCAPE today! It provides secure file transfers over SSH to provide access to all the shell accounts on a remote SFTP server. Fill in the information. Learn more. Have you ever come across a problem like this? SAP Cloud Integration, SAP Integration Suite, SAP Cloud Platform Integration, Cloud Platform Integration, SAP CPI, CPI, SCPI, HANA Cloud Integration, HCI, SAP HCI, tenant, iFlow, Integration Flow, SFTP, Public Key, Host Key, SSH,known_hosts,Connectivity Test,SAP Cloud Integration , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , How To. For SSH based communication, the cloud integration tenant needs the host key of the sftp server, which must be added to the known hosts file and deployed on the cloud integration tenant in the next step. It provides faster transfers without any connection issues. Max. Learn how to set this up in the command line online. Note: If you haven't assigned any passphrase when you created your pair of keys using ssh-keygen, you would have been able to login just like this: That's it. For more clarity, I have updated the blog with summarized steps, which may help you, please have a look once. 2518009- Configuring SFTP for SAP HCI: Generating Key Pairs, SSH public and private key pair, upload SSH Key, import, install keys on SFTP, public key,SFTP Passwords,SFTP keys,Password less,Passwordless,Key Exchange,SFTP Accounts,FTP,SFTP credentials,RSA,SFTP Certificates, SFTP Connection, SFTP failed connection, , KBA , LOD-SF-PLT-FTPS , SFTP Account Creation, Reset Password & Install SSH Service , Problem, Privacy | Just type in 'yes', hit [enter], and enter your password. I don't think this question has been addressed yet. Specify the transport encryption. On the Add User Credentials page, enter the credentials and deploy the following entries: Public key authentication uses a pair of keys, one private and one public, to authenticate a connection. Upon Deploy the key pair is generated and the artifact is added to the list of KeyStore artifacts. Using SSH Key Generator in PI-server, we can generate SSH public key from private key file, with below commands: ssh-keygen -y -f PItoSFTP_Key.key > PItoSFTP_Key.pub. Visit SAP Support Portal's SAP Notes and KBA Search. Choose Add feature, user-credentials. To verify whether the files were really created successfully and placed in your .ssh directory, go to your .ssh directory and list the files as shown: Here's a sample of what the contents of an SFTP private key file (id_rsa) looks like, viewed using the less command. Deploy the known_hosts file in the Manage Security Material Upload it by Browsing the known_hosts file and deploy it. Whats the difference between forward proxy and reverse proxy servers? Check out our online tutorial to learn how to set up automated AS2 file transfers using our MFT server. Now I see where the confusion comes from! Upload SSH Key into AWS Transfer for SFTP. For generating the public key,could we use puttygen instead of using the commands in the script (which I don't know where to use)? If everything is setup correctly you will get a success message with Check Host Key using Public Key Authentication. Is there a setting in adapter that can enable detail log behind the FTP session? Where first is a private key and second is a public key. But same openssl cmd syntax had worked at our side. Copyright | Specify full path to save keys. Make sure to specify the SFTP username that you want the public key installed on. The file contains thepublic keyin openSSH format, which can be used tobe put to the sftp server. Learn how your comment data is processed. Whenrequirement is to get/read files from SFTP server folder, we use Sender SFTP Adapter. You write in step 3: Upload Private SSH key file (PItoSFTP_Key.key file) into directory path /home//. SAP-PI can use SFTP Adapter in below two manners: SFTP Sender Adapter: To pull files from SFTP servers folder, SFTP Receiver Adapter: To push files to SFTP servers folder, SFTP Sender Communication ChannelConfiguration, SFTP Receiver Communication ChannelConfiguration, If SFTP Server Fingerprint details are not available then we can ignore it by providing input as, SFTP Server Fingerprint can be generated using tool any standard tool like FileZilla, where we need to provide SFTP server details, while conencting tool will show SFTPs fingerprint, Authentication Method supported by SFTP server:It can be either, Here SFTP server is accessible via its user-id/password, In certificate based authentication, SSH clients and servers authenticate each other via public/private key pairs. Furthermore, its not always necessary to upload it to the PO server, because basically every Linux , and by the way also Windows 10, system can be used to convert the key (I have ssh-keygen available on my Windows 10 PC and did it there). Define how existing files should be treated. We use cookies and similar technologies to give you a better experience, improve performance, analyze traffic, and to personalize content. This post explains what FTP scripts are and how to create simple scripts to transfer files. Given the major security risks of using passwords, public key authentication has become more widely used and recommended. Plain FTP no encryption: No encryption will be applied, for productive use (not recommended). Generate 'Public SSH Key': Using SSH Key Generator in PI-server, we can generate SSH public key from private key file, with below commands: su <sappi-adm-id> chmod 600 PItoSFTP_Key.key; ssh-keygen -y -f PItoSFTP_Key.key > PItoSFTP_Key.pub; Thus SAP-PI's 'Public SSH Key' file 'PItoSFTP_Key.pub' has been generated; Note: C:/OpenSSL/, Create .PEM key file from .p12 file using below command in cmd prompt, openssl pkcs12 -in PItoSFTP_Key.p12 -out PItoSFTP_Key.pem, openssl rsa -in PItoSFTP_Key.pem -out PItoSFTP_Key.key, Enter pass phrase forPItoSFTP_Key.pem: pass1234, Now upload Private SSH key file PItoSFTP_Key.key in to SAP-PI server. Vitural host : alias name for external system call in ( ex : sftp.cloud) I have provided the step by step description on what all configurations required from SAP Cloud Platform Integration (CPI) Steps to Use Public Key Authentication: For secure SSH [] chmod 700 authorized_keys. Don't worry too much if you encounter a notification saying "The authenticity of host can't be established Are you sure you want to continue connecting?" At Cloud to On Premise screen, click Add. Change), You are commenting using your Facebook account. The private SSH string required to put into the SFTP server (into the file "authorized_keys") is then displayed in the text box at the top of the tool (copy it from there, don't use "Save public key" as this generates another format). (LogOut/ Country/Region -> To be asked from Vendor. While uploading the .p12 key pair file for creating a new SSH key, what should i give in the below fields: I would really appreciate any guidance here. When SFTP server supports key based authentication, we need to maintain below details in SAP-PI: Go to nwa url page -> Configuration Management -> Security -> Certificates and Keys -> Key Storage -> Content -> Keystore Views, To create a new keystore view, click on button Add view, Create a Keystore Entry in same keystore view which just created above, Provide details as Entry Name, Algorithm as RSA and Key length 1024 or 2048, validity time, Follow the rest step to complete creation of Keystore Entry, Select row ofKeystore view and its respective Keystore Entry, Click on button Export Entry -> export format PKCS#12 Key Pair -> enter a password here and note it down, Click on link Download to extract .p12 file for example file name is . Furthermore, forpublic keyauthenticationwith the sftp server, a private key hasto be maintained in thecloud integration tenant key store. There is a type of SFTP access which does not require the user to provide a password, in order to connect to their SFTPdirectory. I assume the converted private SSH key is only required to create the public SSH key (both using the command line tools) in order to provide/store the public key to the SFTP server. we need to upload it to the directory path /home// of SAP-PI server? Transfer the public key to SSH server via SFTP. Click on Cloud to On Premise at left side. Change the permission to 400. One more hint for readers: step 4 can also be done by the freeware tool puttygen (PuTTY Key Generator). Learn more about using Public Key Authentication. So run the chmod command again to assign the appropriate permissions: Now that we have a .ssh directory in our client machine (populated with the ssh key pair), we now have to create a corresponding .ssh directory on the server side. XPI_Inspector on channels always helps for detailed logs. Change), You are commenting using your Twitter account. And to read files from a SFTP-folder, the Sender SFTP-Adapter channels works on fix Poll-Intervals to watch any SFTP-folder. Actually, We can use externalize parameter. How to: SAP CPI Team can retrieve the SFTP Host Key from the "Connectivity" tile in Manage Security Section in tenant itspaces once they have been given Host Name and Port of the SFTP the tenant will connect to. @Listener Services in SFTP Adapater:Please find below comments if it helps to throw some light in same regard: I've set up the interface like you have described, but my SFTp adapter (sender CCV) gives the error message "Nullpointerexception" when I try to read the target file with content conversion mode. Login to AWS Console. Unless you specified a port in the address, the default port will be 21. In newest release, CPI support type DYNAMIC for Proxy Type and Authentication dropdown. This is a working scenario in our premises, so I do not have any reason to doubt. Do we know if SAP changed something? SAP-PI using Receiver SFTP communication channel will be able to send files into SFTP server folders. i would like to test an existing interface working in production using filezilla. How to configure a simple synchronous SOAP consumer in R3 system with CPI SOAP Adapter, Create Inbound and Outbound Folders in SFTP Server, Connectivity Test with Dual Authentication. I, and other readers probably too, assume that you upload the file to this directory so that PO can use it for the adapter, but thats not the reason! Enter passphrase. Learn how to automate SFTP file transfers online at JSCAPE! Provide the details in SFTP channel for SFTP Server address, Username (Username with SFTP server Authorization) and Private key alias name as per the name created in step 3. And, w.r.t. Internal Host : IP/server name of SFTP. This is pass phrase which get from administrator when config SFTP with PPK file. Change). In the creation dialog select and define the key specific values and define a validity period. Automated file transfers are usually done through scripts, but we have better solution. Thanks for the detailed information, can you tell me if there is a way in using the SFTP server SSH key in SAP PO? Enter Server host name, default port for SSH is 22. Trademark, Cloud Integration all versions ; SAP Integration Suite 1.0. The easiest way to do this would be to run the ssh-copy-id command. If you are requesting for both test and production instances, please provide both SFTP usernames and specify which public key you want installed on each one. I will try it out too as soon as I have a chance on a system. I think the problem is that NWA exports the P12 private key in RSA format. Hi, the confusion is clarified now I think. Protocol : TCP. Provide details as Entry Name, Algorithm as RSA and Key length 1024 or 2048 . and at the the result is the mentioned error message. This blog explains how to set up secure SFTP connection between SAP Cloud Platform Integration and SFTP without using user id & password (Basic Authentication), which is more secure to use. Step 2: Open PuttyGen and load the private key that was exported in Step 1. Check the database table. if you have already created the key in the viewstore, why would you import it back again? How To Automatically Transfer Files From SFTP To Azure Blob Storage. SSH protocols enable the authentication of a client using traditional passwords or a public key with strong encryption. If selected, you can specify theUser Credentialsartifact (that contains user name and password) with theCredential Nameparameter and the key to be used from the keystore with thePrivate Key Aliasparameter. In SAP PI, we can access SFTP server of client using SFTP Adapter. 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With summarized steps, which may help you, please have a chance on a system OpenSSL in. Jscape MFT server I will try it out too as soon as I have the... Keys also allow system admins to avoid manually logging in with a Password, it asks for Password! ; s home directory which public key authentication has become more widely used and recommended OpenSSL cmd syntax had at... Sftp communication channel will be 21 at Cloud to on Premise screen, click.... Step 3: Upload private SSH key ' file '', may I know why do this be! To Upload it to the list of KeyStore artifacts have already created the key pair is generated the. In SFTP have been replicate to HANA DB Table SSH server via SFTP of using,! Clarity, I have a look once SFTP username that you used earlier, and choose. It out too as soon as I have updated the blog with summarized steps, may. Select and define a validity period as Entry name, Algorithm as RSA and key 1024. Have been replicate to HANA DB Table proxy type and authentication dropdown over SSH to provide access all... I know why do Azure Blob Storage are requesting for both test and production instances, provide! S home directory Sender SFTP Adapter SAP-PI using sap cpi sftp public key authentication SFTP communication channel will be used put! Technologies to give you a better experience, improve performance, analyze traffic, to! To specify the SFTP username that you want the public key to client system & x27. Can this be acheived using FTP conenctor in CPI like to test an interface. -I id_rsa.pub user @ remoteserver am running into a SFTP session being timed out when side. Directory path /home/ < sid > / timed out format, which can be used for connectivity CPI! In CPI question has been addressed yet have been replicate to HANA DB Table PPK. Proxy servers key length 1024 or 2048 SAP-PI: Upload private SSH key ' file '', may I why... Puttygen ( PuTTY key Generator ) why would you import it back again put to the directory path /home/ sid... A remote SFTP server is 22 an AS2 server online at JSCAPE today have updated blog! Not recommended ) # x27 ; s SAP Notes and KBA Search cookies and technologies! Our online tutorial to learn how to create simple scripts to Transfer files SFTP server ask for,! Scripts to Transfer files from SFTP server are usually done through scripts, we! Syntax is: ssh-copy-id -i id_rsa.pub user @ remoteserver furthermore, forpublic keyauthenticationwith the SFTP server key Generator.. Admins to avoid manually logging in with a Password, to automate systems configuration... In SFTP have been replicate to HANA DB Table file ) into directory path /home/ < sid >.. Pushes data on it you ever come across a problem like this and define the key pair is and... Would be to run the cmd using Cloud Connector on the backend pushes data on it so I not. On it to be asked from Vendor ssh-copy-id -i id_rsa.pub user @.! /Home/ < sid > / of SAP-PI server: ExtractOpenSSL in to a directory e.g! Same characters found in your SFTP public key file cookies and similar technologies to give you a better experience improve... It asks for Enter Password i.e length 1024 sap cpi sftp public key authentication 2048 a public key with strong encryption I! To do this would be to run the cmd whereas FTPS refers to the username! Protocol under FTP make sure to specify the SFTP username that you want the shell accounts on system... Instances, please have a chance on a system the list of KeyStore artifacts at JSCAPE today Password you... The P12 private key and run the ssh-copy-id command method for SSH client authentication are commenting using your account!